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Use of fiber helical coils to obtain polarization insensitive fiber devices

机译:使用光纤螺旋线圈获得对偏振不敏感的光纤设备

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Using a new model for the description of the birefringence of a helical coil, it is shown that the birefringence effect on the signal polarization introduced by a fiber device can be canceled out by introducing two helical coils at the required orientation. Experimental results obtained using this modification in a polarization insensitive device (optical isolator) and in a non-polarization insensitive device working at two different wavelengths (wavelength division multiplexer) are presented and discussed. Such modified devices were used in the construction of an erbium-doped fiber amplifier (EDFA) with a full control of the input signal and pump states of polarization. (C) 2016 Elsevier Inc. All rights reserved.
机译:使用用于描述螺旋线圈的双折射的新模型,表明可以通过在所需方向上引入两个螺旋线圈来抵消对光纤设备引入的信号偏振的双折射效应。提出并讨论了在偏振不敏感设备(光学隔离器)和工作在两个不同波长的非偏振不敏感设备(波分复用器)中使用此修改获得的实验结果。这种修改后的设备被用于掺with光纤放大器(EDFA)的构造,该放大器具有对输入信号和偏振泵浦状态的完全控制。 (C)2016 Elsevier Inc.保留所有权利。

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